original description Dall W.H. 1886. Reports on the results of dredging, under the supervision of Alexander Agassiz, in the Gulf of Mexico (1877-78) and in the Carribean Sea (1879-80), by the U.S. Coast Survey steamer "Blake", Lieut.-Commander C.D. Sigsbee, U.S.N. and Commander J.R. Bartlett, U.S.N. commanding. XXIX. Report on the Mollusca. Part 1, Brachiopoda and Pelecypoda. Bulletin of the Museum of Comparative Zoölogy at Harvard College, 12(6): 171-318, pl. 1-9 [Settembre]., available online athttp://biodiversitylibrary.org/page/30397212[details]